On 2/15/06, Ari Suutari <
[EMAIL PROTECTED]> wrote:
Hi,
I'm afraid that the fix doesn't work. The loop at Markup constructor
this.markup = new ArrayList();
for (int i=0; i < markupElements.size(); i++)
{
addMarkupElement((MarkupElement)markupElements.get(i));
}
This ends up calling wrong addMarkupElement (ie. the one which takes MarkupElement as
parameter). The other one accepts ComponentTag as parameter. The problem is that the called
method does not create the componentMap, only the one with ComponentTag parameter does.
Ari S.
----- Original Message -----
From: "Juergen Donnerstag" <[EMAIL PROTECTED]>
To: <wicket-develop@lists.sourceforge.net >
Sent: Wednesday, February 15, 2006 1:13 PM
Subject: Re: [Wicket-develop] NullpointerException in Markup.findComponentIndex
> fixed
>
> On 2/15/06, Juergen Donnerstag < [EMAIL PROTECTED]> wrote:
>> I think Ari is right. Igor mentioned that problem yesterday as well
>> and I couldnt figure out what the problem was. But what Ari says makes
>> perfect sense.
>>
>> Juergen
>>
>> On 2/15/06, Johan Compagner <[EMAIL PROTECTED]> wrote:
>> > i can add a null check there but i don't know if that really fixes the root
>> > of the problem
>> > (why that map is not filled)
>> >
>> > would be nice to have a small example demonstrating this.
>> >
>> >
>> > johan
>> >
>> >
>> > On 2/15/06, Ari Suutari <[EMAIL PROTECTED]> wrote:
>> > > Hi,
>> > >
>> > > Yes, a markup like this
>> > >
>> > > <span wicket:id="linjat">
>> > > <tr>
>> > > <td>
>> > > <span wicket:id="linja1"></span>
>> > > </td>
>> > > </tr>
>> > > </span>
>> > >
>> > > when put into a panel, which uses <wicket:extend> doesn't work
>> > > when "linjat" is rendered via AjaxRequestTarget. "linjat" is e
>> > WebMarkupContainer
>> > > and "linja1" is a label.
>> > >
>> > > Ari S.
>> > >
>> > > ----- Original Message -----
>> > > From: "Johan Compagner" <[EMAIL PROTECTED] >
>> > > To: < wicket-develop@lists.sourceforge.net>
>> > > Sent: Wednesday, February 15, 2006 10:55 AM
>> > > Subject: Re: [Wicket-develop] NullpointerException in
>> > Markup.findComponentIndex
>> > >
>> > >
>> > > thats strange. Does that markup doesn't have any wicket components?
>> > >
>> > > johan
>> > >
>> > >
>> > > On 2/15/06, Ari Suutari <[EMAIL PROTECTED]> wrote:
>> > > >
>> > > > Hi,
>> > > >
>> > > > I have been trying to track what causes following exception in some of
>> > our
>> > > > wicket pages
>> > > > using ajax stuff:
>> > > >
>> > > > java.lang.NullPointerException
>> > > > at
>> > wicket.markup.Markup.findComponentIndex(Markup.java:271)
>> > > > at
>> > wicket.markup.MarkupStream.findComponentIndex(MarkupStream.java
>> > :444)
>> > > > at
>> > wicket.Component.initializeMarkupStream(Component.java:2757)
>> > > > at wicket.Component.doRender(Component.java:697)
>> > > > at
>> > wicket.ajax.AjaxRequestTarget.respondComponent(AjaxRequestTarget.java
>> > > > :187)
>> > > > at
>> > wicket.ajax.AjaxRequestTarget.respond(AjaxRequestTarget.java:135)
>> > > >
>> > > > (I'm running against today's cvs version)
>> > > >
>> > > > It looks like the componentMap member of Markup instance is null.
>> > > > Now I'm just guessing, but could it be that when Markup is constructed
>> > > > via the "copy" constructor:
>> > > >
>> > > > Markup(final Markup markup, final List markupElements)
>> > > >
>> > > > Then the componentMap is not initialized ? At least this constructor
>> > > > is called on pages that do not work.
>> > > >
>> > > > Ari S.
>> > > >
>> > > >
>> > > >
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